Home / 28,514.08-39,348.66-15,941.26

Finding the Fourth Proportional to 28,514.08, 39,348.66 and 15,941.26

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Solution

The fourth proportional to 28,514.08, 39,348.66 and 15,941.26 is: 21,998.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,514.08 : 39,348.66 = 15,941.26 : x
  2. Step 2: Convert to fraction form
    28,514.08/39,348.66 = 15,941.26/x
  3. Step 3: Cross multiply
    28,514.08x = 39,348.66 × 15,941.26
  4. Step 4: Simplify right side
    28,514.08x = 627,267,219.71
  5. Step 5: Solve for x
    x = 627,267,219.71/28,514.08
  6. Step 6: Final answer
    x = 21,998.51

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.